Substance evaporator



FIG. 1 is a perspective view of a lower portion of a substanceevaporator showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for a lower portion of a substance evaporator, asshown and described.